OpenTechnical

OT-2026-000022412

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000022412) never changes.

Identity and time

Publication numberOT-2026-000022412 · never reused
Internal UUID01a0ae6f-f4fd-7141-80fb-85e62ada89e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022412
StatusPUBLIC

Content hashes

Canonical text3637d77bbb38204e1c17163c89a1ecc74b1c61158a28eab9a5c8200768ca7a5f
Markdown5258869bba5dca358b0145ea4c961c5ecb8da214de9c602f603278de9480cb56
PDF
Publication pageb17c794d96488c9edfe5b7a14e8f259d276354a83cdb244f61cc80abbde8aa67
Manifestb9e2bc9a0dcb260552cf78e62df9733c896e986ae9a435c47ee9a803c1039f25

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureJ2tE+KrsEHfFifh9xF6+2MKkFbhxc1ftyHDNIfcExM2339aOdRPQZYwAOodkm69B9hpsckTfdSk73Qat3urEBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:47.923153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022412
observed b17c794d96488c9edfe5b7a14e8f259d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.902275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022412/manifest.json
observed b9e2bc9a0dcb260552cf78e62df9733c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.884754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022412/publication.md
observed 5258869bba5dca358b0145ea4c961c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.867410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022412/publication.txt
observed 3637d77bbb38204e1c17163c89a1ecc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.